There are two sayings: 8 days before 10 and 10 days before 10, and these 20 days belong to Tomb-Sweeping Day. Therefore, the ancients had the custom of Tomb-Sweeping Day going for an outing and carrying out a series of sports activities. There is also a saying in ancient times, that is, "March Festival".
Summary:
Qingming is one of the 24 solar terms, and its Gregorian calendar is fixed between April 4 and April 6 every year. It is a traditional folk festival in China and one of the eight important festivals. Generally around April 5 of the Gregorian calendar, the festival cycle is very long. There are two sayings: 8 days before 10 and 10 days before 10, and these 20 days belong to Tomb-Sweeping Day.